List of archbishops of Luxembourg
Bishops of Luxembourg

Name
Start date
End date
Nicolas Adames
26 June 1870
27 September 1883
Jean Joseph Koppes
4 November 1883
29 November 1918
Pierre Nommesch
8 March 1920
9 September 1935
Joseph Laurent Philippe
9 September 1935
21 October 1956
Léon Lommel
21 October 1956
13 February 1971
Jean Hengen
13 February 1971
23 April 1988

Question: Who succeeded Joseph Philippe as bishop of Luxembourg and when?
Answer: Léon Lommel succeeded Joseph Philippe as the bishop of Luxembourg on 21 October 1956.